Preheat the oven to 350 degrees.,Boil the potatoes until they are tender and remove skins and cut into slices.,Peel the apples and remove the core and slice into rings.,In a greased 9 x 6 inch baking dish alternate the potatoes and apples.,Mix together the orange juice, sugar, cinnamon allspice and rum and l tablespoon melted butter and pour over the potatoes and apples.,______